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Journal of Applied Geodesy

Editor-in-Chief: Kahmen, Heribert / Rizos, Chris


CiteScore 2018: 1.61

SCImago Journal Rank (SJR) 2018: 0.532
Source Normalized Impact per Paper (SNIP) 2018: 1.064

Online
ISSN
1862-9024
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Volume 8, Issue 4

Issues

A Tale of Five Bridges; the use of GNSS for Monitoring the Deflections of Bridges

Gethin Wyn Roberts / Christopher J. Brown / Xu Tang / Xiaolin Meng / Oluropo Ogundipe
Published Online: 2014-12-05 | DOI: https://doi.org/10.1515/jag-2014-0013

Abstract

The first Bridge Monitoring surveying was carried out in 1996 by the authors, through attaching Ashtech ZXII GPS receivers onto the Humber Bridge’ parapet, and gathering and further analysing the resulting 1 Hz RTK GPS data. Various surveys have subsequently been conducted on the Humber Bridge, the Millennium Bridge, the Forth Road Bridge, the Severn Suspension Bridge and the Avonmouth Viaduct. These were all carried out using survey grade carrier phase/pseudorange GPS and later GNSS receivers. These receivers were primarily dual frequency receivers, but the work has also investigated the use of single frequency receivers, gathering data at 1 Hz, 10 Hz, 20 Hz and even 100 Hz. Various aspects of the research conducted are reported here, as well as the historical approach. Conclusions are shown in the paper, as well as lessons learnt during the development of this work. The results are compared to various models that exist of the bridges’ movements, and compare well. The results also illustrate that calculating the frequencies of the movements, as well as looking at the magnitudes of the movements, is an important aspect of this work. It is also shown that in instances where the magnitudes of the movements of the bridge under investigation are small, it is still possible to derive very accurate frequencies of the movements, in comparison to the existing models.

Keywords: deformation; monitoring

About the article

Received: 2014-06-03

Accepted: 2014-10-02

Published Online: 2014-12-05

Published in Print: 2014-11-01


Citation Information: Journal of Applied Geodesy, Volume 8, Issue 4, Pages 241–264, ISSN (Online) 1862-9024, ISSN (Print) 1862-9016, DOI: https://doi.org/10.1515/jag-2014-0013.

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© 2014 by Walter de Gruyter Berlin/Boston.Get Permission

Citing Articles

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[1]
Xu Tang, Xingxing Li, Gethin Wyn Roberts, Craig Matthew Hancock, Huib de Ligt, and Fei Guo
GPS Solutions, 2019, Volume 23, Number 2
[2]
Ioulia Peppa, Panos Psimoulis, and Xiaolin Meng
Structural Control and Health Monitoring, 2017, Page e2080
[3]
G. W. Roberts, C. J. Brown, and X. Tang
Applied Geomatics, 2017, Volume 9, Number 2, Page 115
[4]
Gethin Wyn Roberts and Xu Tang
Advances in Space Research, 2017, Volume 59, Number 11, Page 2794
[5]
Gethin Wyn Roberts, Xu Tang, and Chris Brown
Proceedings of the Institution of Civil Engineers - Civil Engineering, 2015, Volume 168, Number 4, Page 185

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